branch-4.0: [fix](function) Fix array_join to handle non-constant columns. #60612#60703
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branch-4.0: [fix](function) Fix array_join to handle non-constant columns. #60612#60703github-actions[bot] wants to merge 1 commit intobranch-4.0from
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The previous implementation of array_join was incorrect: it didn't consider whether the inputs were constant columns and always took the first element from each column. before ```sql mysql> select * from db_array_join; +------+-----------------+-------+ | id | sarr | s | +------+-----------------+-------+ | 1 | ["a", "b", "c"] | 0000 | | 2 | ["c", "d", "e"] | 11111 | +------+-----------------+-------+ mysql> select array_join(sarr,s) from db_array_join; +--------------------+ | array_join(sarr,s) | +--------------------+ | a0000b0000c | | c0000d0000e | +--------------------+ ``` now ```sql mysql> select array_join(sarr,s) from db_array_join; +--------------------+ | array_join(sarr,s) | +--------------------+ | a0000b0000c | | c11111d11111e | +--------------------+ ```
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Thank you for your contribution to Apache Doris. Please clearly describe your PR:
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run buildall |
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有前置pr。 |
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Cherry-picked from #60612